Bicycle exerciser



FIG. 1 is a perspective view of a bicycle exerciser showing my new design;

FIG. 2 is a side elevational view thereof, the side opposite being a mirror image thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view of a modified embodiment of the design show in FIGS. 1-6;

FIG. 8 is a side elevational view thereof, the side opposite being a mirror image thereof;

FIG. 9 is a front elevational view thereof; and

FIG. 10 is a rear elevational view thereof. 

The ornamental design for a bicycle exerciser, as shown and described. 